For I have not spoken on My own authority; but the Father who sent Me gave Me a command, what I should say and what I should speak.
John 12:49
Surrounding context
12:48 He who rejects Me, and does not receive My words, has that which judges him--the word that I have spoken will judge him in the last day.
12:49 For I have not spoken on My own authority; but the Father who sent Me gave Me a command, what I should say and what I should speak.
12:50 And I know that His command is everlasting life. Therefore, whatever I speak, just as the Father has told Me, so I speak."